PRUNUS TENELLA AS AN HYPOTHETIC ROOTSTOCK FOR SWEET CHERRY

ISHS Acta Horticulturae 169: International Workshop on Improvement of Sweet and Sour Cherry Varieties and Rootstocks

PRUNUS TENELLA AS AN HYPOTHETIC ROOTSTOCK FOR SWEET CHERRY

Authors:

A. Nicotra, L. Moser

Abstract:
Prunus tenella Batsch or dwarf russian almond, is a low shrub 1 m 1,5 m high. Branchlets are glabrous. Leaves are lanceolate to oblong-obovate 3–7 cm long, acute, cuneate serrate, glabrous, light green and prominently veined beneath. Flowers are 1–3 per bud, rosired, 1–2 cm across, sessile. Fruits are avoid about 2 cm long, pubescent; stone is broadly ovoid and rugose. P. tenella is diploid: x = 8, 2n = 16.

It is an ornamental plant, drought and lime resistant. It suckers freely.

Very few informations exist about the use of P. tenella in fruit-growing:

Micurin has obtained a hybrid between (P. tenella x P. davidiana) x P. persica (2),
it has been tried as intergraft between Victoria or Czar plum varieties and P. cerasifera, P. insititia as rootstocks giving a compatible graft combination. Moreover it has been discovered to be immune to the typical form of Microcerasus plum pox (3).
It has been tried as rootstock for of Emperor Francis cherry variety, but on the seventh year after grafting variety separated from the rootstock (1).

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